var onUserLogin = function (user) {
      if (user&&user["propertyMap"]&&user["propertyMap"]["memberLevel"]) {
          var memberLevel = user["propertyMap"]["memberLevel"];
          if(memberLevel>MemberLevelEnum.VIP0){//判断是否是会员
              //发送世界广播消息
              sendMessage(MessageTypeEnum.WORLD,String.format("欢迎尊贵的会员 %s 来到PK游戏世界 ",user.name));
          }
      }else{
          console.warn("user or user.propertyMap is null, user:{}",user);
      }
 };